The Wesco Alfresco blocks, designed for both indoor and outdoor use, will help children to develop their motor skills and therefore to increase their self-assurance, sense of initiative and overall confidence. With components specially designed to fit together, the Alfresco line offers various constructive possibilities to entertain children 3-6 years of age for days and days. This Slot-In Block is reversible and can be used to hold Beams in a horizontal or a sloping position.